"Your brain may give birth to any technology, but other brains will decide whether the technology thrives. The number of possible technologies is infinite, and only a few pass this test of affinity with human nature."
"Actually, there is a sense in which polygynous marriage has not been the historical norm - even where polygyny is permitted, multiple wives are generally reserved for a relatively few men who can afford them or qualify via formal rank. For eons and eons, most marriages have been monogamous, even though most societies haven't been"
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Source: Robert Wright (2010). “The Moral Animal: Why We Are, the Way We Are: The New Science of Evolutionary Psychology”, p.377, Vintage
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